baber/WOPTO huggingface dataset:
Patent KR-20040031178-A (KR)
Title: Polyamic acid copolymer having triple bond, and polyimide film prepared by thermal imidization of them
Inventor: CHOI GIL YEONG
IPC: C08G73/10
Filed: 2002-10-04
Abstract: PURPOSE: A polyamic acid copolymer which can provide polyimide film with excellent mechanical properties such as tensile strength, elongation degree and the like, by thermal imidization is provided by introducing a flexible group, and a triple bond and imide group from bis(ethynyl aniline) into the copolymer at once. CONSTITUTION: The polyamic acid copolymer comprises polyamic acids of formulas 1 and 2 as repeating units, a flexible group (-X- shown in formula 1), and a triple bond and imide group from bis(ethynyl aniline). In the formula, -X- is -O-, -CH2-, -C(O)-, -S- or -S(O)-. The polyimide film is prepared by conducting a thermal imidization of the polyamic acid copolymer.
Patent KR-20030040033-A (KR)
Title: Apparatus for detecting mark position
Inventor: FUKUI TATSUO
IPC: G01B11/00
Filed: 2002-10-05
Abstract: PURPOSE: To provide a mark position detector that can accurately detect the position of a mark even if distortion aberration remains in an image-forming optical system for forming the image of the mark. CONSTITUTION: The mark position detector has lighting means (13 to 19) for lighting a mark 30 to be inspected on a substrate 11, image-forming optical systems (19 to 24) for allowing light L2 from the mark to be inspected to be subjected to image forming to form the image of the mark to be inspected, an optic element support means 20a for supporting an optic element 20 at one portion of the image-forming optical system so that the optic element 20 can be tilted with X and Y axes that are vertical to an optical axis O2 as a center, an imaging means 25 for imaging the image of the mark to be inspected that is formed by the image-forming optical system to output an image signal, and a calculation means 26 for inputting an image signal from the imaging means to calculate the position of the mark to be inspected.
Patent KR-20040033094-A (KR)
Title: Quartz crystal base manufacturing method
Inventor: KIM PYO EON
IPC: H03H3/02
Filed: 2002-10-11
Abstract: PURPOSE: A method for fabricating a base of a quartz vibrator is provided to remove a welding process and enhance the productivity by forming a pin and a lead with one body and miniaturizing a size of the quartz vibrator. CONSTITUTION: A groove is formed at an upper side of a base. A plurality of through-holes are formed at both sides of the base. A plurality of stoppers(21) are formed at both sides of a lead part(20). A loading plate(22) is formed between the stoppers(21). The lead part(20) is formed between the stoppers. A plurality of ground leads(23) are formed at lower sides of the stoppers. A glass part is formed between the lead part and the base. The stoppers and the loading plate are inserted into a plurality of lead holes of the glass part. A piezoelectric element is loaded on the loading plate(22). A bent part(24) is formed at an end part of the ground lead. A connection part(25) is formed between the ground leads in order to connect the ground leads to each other.
Patent KR-20020084024-A (KR)
Inventor: SON YOUNG SUK
IPC: A47J27/04
Filed: 2002-10-11
Abstract: PURPOSE: A foodstuff steaming machine having a digital pollutant measuring sensor is provided to measure, sense, and display easily a pollutant such as a poisonous substance or bacteria, etc. by an electric IC chip, or an electronic sensor. CONSTITUTION: A foodstuff steaming machine(1) comprises a pollutant measuring sensor(2), a display(3), a battery box(4), and an IC circuit(5). The pollutant measuring sensor(2) is attached at an inside of the foodstuff steaming machines in which a foodstuff is contained, and senses and measures a pollutant such as a poisonous substance or bacteria, etc. by a measuring instrument(2'). The battery box(4) and the IC circuit(5) are mounted at an outside of the foodstuff steaming machines, and the display(3) for displaying a measured value of the pollutant using a numeric, character, or color are mounted at an outside of a case.
Patent KR-20040033631-A (KR)
Title: Fabrication methods of a semiconductor device having landing pads
Inventor: JUNG SE MIN
IPC: H01L21/28
Filed: 2002-10-15
Abstract: PURPOSE: A method for manufacturing a semiconductor device having landing pads is provided to be capable of increasing cleaning process margin for improving the contact resistance of the landing pads. CONSTITUTION: A plurality of gate patterns(60) are formed on a semiconductor substrate(51). A gate spacer(63) is formed at both sidewalls of each gate pattern. An interlayer dielectric is flatly formed on the resultant structure. A buffer layer(67) is formed on the entire surface of the resultant structure. A plurality of pad contact holes are formed by selectively patterning the buffer layer and the interlayer dielectric for partially exposing the semiconductor substrate. A contaminated material layer of the exposed semiconductor substrate is removed by using a cleaning solution. A plurality of landing pads(73d,73s',73s'') are formed in the pad contact holes, respectively.
Patent KR-20020090966-A (KR)
Inventor: CHOI JANG SUN
IPC: E01C23/16
Filed: 2002-10-24
Abstract: PURPOSE: A lane-painting device for vehicles using two compound paints is provided to secure stability on works and to improve productivity and reliability on mechanical operation. CONSTITUTION: The lane-painting device for vehicles using two compound paints comprises: a car body fitting part(10) installing/fixing a traveling part(20) and a painting part(30) to a vehicle; a traveling part(20) connecting the car body fitting part(10) and a painting part(30) and containing a frame and a traveling wheel to pull a painting part(30) according to the traveling speed of a vehicle; and a painting part(30) storing two compound paints supplied from a loading box temporarily, then discharging the paints to the road surface through an open slit.
Patent KR-20040037574-A (KR)
Title: push rod converter of spangle-attaching machine for forming multi-colored repefitive pattern
Inventor: CHOO HAN SU
IPC: D06Q1/10
Filed: 2002-10-29
Abstract: PURPOSE: On a spangle adhering device, a converter of a push rod for forming multicolor repeat patterns is characterized by controlling operation of each push rod by grooves, supplying spangles with some push rods at equal intervals, operating the push rod appropriated for necessary color, changing spangle color easily and increasing productivity. CONSTITUTION: On a spangle adhering device, a converter of a push rod for forming multicolor repeat patterns comprises: a fabric feeding roll; a fabric winding roll; fabric transferring rollers; an operating rod(6) joined with many push rods(5); a spangle guide plate(7) set on a lower part of the push rods(5); a holding block formed on one side of the spangle guide plate(7); a push piece; a cutter; a guide block(11) set on one side of the operating rod(6); a driving motor(13) installed on an upper part of the guide block(11) with a bracket(12); a converting rod(15) which is set between the push rod(5) and the spangle guide plate(7) and is interlocked with the driving motor(13), having many grooves; and a feeding rod(5') of the push rod(5) set on the grooves.
Patent KR-20040037611-A (KR)
Title: Method of culturing somatic embryo of broccoli and method for the mass-production of broccoli sprouts using the same
Inventor: JUNG GI HWAN
IPC: A01H4/00
Filed: 2002-10-29
Abstract: PURPOSE: A method for culturing a somatic embryo of broccoli and a method for mass-producing broccoli sprouts using the same are provided, thereby from the somatic embryo of broccoli rapidly and easily mass-producing broccoli sprouts which are used in anticancer foods or medicines. CONSTITUTION: A method for culturing a somatic embryo of broccoli comprises the steps of: (1) culturing broccoli tissue which is selected from seeds, anther, root, stem and leaf of broccoli and is capable of forming an embryo in a medium to produce the broccoli embryo; (2) cutting the broccoli embryo and culturing it on 2,4-D containing medium to form callus of broccoli; (3) forming embryo-developed cells from the callus; and (4) subculturing the embryo-developed cells in a hormone free medium. A method for mass-producing broccoli sprouts comprises the steps of: (1) selecting embryo-developed cells and culturing them; (2) proliferating the embryo-developed cells and isolating cell mass; and (3) mass-culturing the cell mass.
Patent KR-20040037709-A (KR)
Title: External storage device using usb
Inventor: KANG BYEONG SEOK
IPC: G06F3/06
Filed: 2002-10-29
Abstract: PURPOSE: An external storage using a USB(Universal Serial Bus) is provided to exchange the needed information between a remote server and a USB disk by automatically connecting to a remote server when the USB disk is connected to a computer, and make the remote server recognize each USB disk by assigning a serial number to the USB disk during a manufacturing process. CONSTITUTION: A tool reads the serial number recorded to a flash memory of the USB disk and transmits the serial number to the remote server. The remote server transmits the needed data to the USB disk after checking connection qualification by confirming the transmitted serial number. The data is exchanged with the remote server while the USB disk is connected to the remote server. If connection is interrupted, the data of the moment is stored to the remote server.
Patent KR-20040037983-A (KR)
Title: Device for removing an adhesive gas of coal ash
Inventor: CHO SEONG DEOK
IPC: B01D49/02
Filed: 2002-10-31
Abstract: PURPOSE: An apparatus for removing impurities adsorbed on coal ash from thermal power plant through pyrolysis is provided to increase the purity of coal ash, thereby recycling waste coal ash as resources. CONSTITUTION: The apparatus comprises a supply part(100) for adjusting discharge quantity of the coal ash through rotary feeder(130) as flowing the coal ash using vibrator(120) by receiving coal ash generated after combustion of coal in the thermal power plant into hopper(140); a refining part(200) for heating the coal ash dropped onto horizontal plates(210) after being supplied from the supply part using a heating wire(220) mounted on the inner wall of the body of the refining part and controlling retention time of the coal ash using convergent rotation vanes(240) and divergent rotation vanes(250) mounted on the central body of the refining part and rotated through motor; a heat exchange part(300) for transferring the waste heat to the supply part through transfer pipe(320) by sucking in waste heat of the refining part in the operating process of transfer pump(310); and a collection part(400) for filtering the coal ash by discharging the coal ash to the heat exchange part through return pipe(410) and filtering the waste gas as discharging the waste gas to bag filter(430) through discharge pipe(420) after sucking in flying materials generated in the refining part.
Patent KR-20040038564-A (KR)
Title: Reinforcing old concrete strctures by using fibre rod and fibre sheet
Inventor: LEE CHIN YONG
IPC: E01D22/00
Filed: 2002-11-01
Abstract: PURPOSE: A reinforcement method for a concrete structure using a fiber rod and a fiber sheet is provided to secure constructability and working space. CONSTITUTION: The reinforcement method for a concrete structure using a fiber rod and a fiber sheet comprises the steps of forming a semicircular groove on concrete for reinforcement, then interposing a fiber rod and unifying the fiber rod and the concrete using adhesives and epoxy.
Patent KR-20040040866-A (KR)
Inventor: HWANG IN BEOM
IPC: F04B39/00
Filed: 2002-11-08
Abstract: PURPOSE: A connecting rod for a compressor is provided to prevent a piston from contacting with a valve without setting a top clearance, and reduce abrasion between a large diameter part and a small diameter part. CONSTITUTION: A large diameter part(50) is formed of a large ring-shaped body(51) inserted into a crank shaft, and a large end rod(52) protruded from the large ring-shaped body. A small diameter part(60) is formed of a small ring-shaped body(61) rotatively inserted into a fixed pin fit into a piston, and a small end rod(62) protruded from the small ring-shaped body to be inserted into an insertion groove of the large end rod. A spring(71) is interposed between the small end rod of the small end diameter and the large end rod of the large diameter part to generate elastic force. A plurality of assembling pins(72) combine the large end rod and the small end rod.
Patent KR-20040043843-A (KR)
Title: Pipe latch circuit for output data with high speed
Inventor: BANG JEONG HO
IPC: G11C11/407
Filed: 2002-11-20
Abstract: PURPOSE: A pipe latch circuit for high speed data output is provided, which is useful in a high speed operation as minimizing a circuit area and is easily controlled. CONSTITUTION: The first input register(70a) receives the first data. A number of first serial pipe latches(70c_1-70c_k) comprise a number of registers, and store an output of the first input register selectively and output it selectively. The first connection register(70b) stores data being output from the first serial pipe latches. The second input register(70'a) receives the second data. A number of second serial pipe latches(70'c_1-70'c_k) comprise a number of registers, and store an output of the second input register selectively and outputs it selectively. The second connection register(70'b) stores data being output from the second serial pipe latches. A multiplexer(80) outputs data stored in the first and the second connection register as a rising edge output data or a falling edge output data selectively. And a control part(100c) controls the first and the second serial pipe latches and the multiplexer.
Patent KR-20020093743-A (KR)
Inventor: KIM JUNG SEONG
IPC: H01J61/30
Filed: 2002-11-22
Abstract: PURPOSE: A high intensity discharge lamp is provided, in which two or three arc tubes are disposed in a single outer shell, to thereby allow a low illuminance dimming operation. CONSTITUTION: A high intensity discharge lamp comprises a plurality of arc tubes for arc discharge; and an outer shell for accommodating arc tubes and suppressing thermal losses of arc tubes. Each arc tube has different color temperatures. The arc tubes are arranged in a line or triangle shape within the outer shell, in such a manner that the heat generated from each arc tube is combined so as to allow ease of thermionic electron emission.
Patent KR-20040050212-A (KR)
Title: structure for condenser in condensing type clothes dryer
Inventor: CHOI MU YONG
IPC: D06F58/24
Filed: 2002-12-09
Abstract: PURPOSE: Structure of a condenser for a condensing clothes drier is provided to improve the performance of the condenser by removing foreign matters from the duct type condenser plate easily with circulating air around the condenser plates and with assembling and disassembling the condenser plates and the cooling fins. CONSTITUTION: A condenser(100) is composed of plural duct type condenser plates(130) opened in the front and rear parts and arranged and spaced from each other; cooling fins(150) installed between the duct type condenser plates; and a condenser frame(170) supporting the duct type condenser plates. The condenser frame comprises two front frames(171), two rear frames(172), two left frames(173), two right frames(174), four vertical frames(175) vertically connected to the front and rear frames, and support frames(176) combined with the front and rear parts of the duct type condenser plates and composed of plural assembling grooves.
Patent KR-20040050360-A (KR)
Title: Line interface apparatus for 10 gigabit ethernet and control method thereof
Inventor: CHOI CHANG HO
IPC: H04L12/56
Filed: 2002-12-10
Abstract: PURPOSE: A 10-gigabit Ethernet line interfacing device is provided to improve a transmission speed and packet processing performance of a physical layer to 10 gigabits as maintaining a basic frame standard of a 1-gigabit Ethernet switch, thereby interfacing a 1-gigabit line with a 10-gigabit line. CONSTITUTION: A 10-gigabit Ethernet line interface device is comprised of an R-gigabit network processor(141), a frame multiplexer and demultiplexer(142) multiplexing and demultiplexing frames according to a GMII interface and an XGMII interface, an XGXS(10 Gigabit Extender Sublayer)(143) converting the XGMII interface into an XAUI(10 Gigabit Attachment Unit Interface), or performing a reverse conversion in order to extend a data transmission distance limitation, a 10-gigabit Ethernet physical layer processor(144) consisting of XENPAK(10 Gigabit Ethernet Package) modules, a line processor(145) controlling the network processor(141) by performing an IPC function with an MPU(Main Processor Unit)(130), a UCL(146) controlling a 10-gigabit Ethernet line interface device(140), a PCL(147) controlling the XGXS(143) and the physical layer processor(144).
Patent KR-20040050539-A (KR)
Title: Delay time compensation circuit with delay cells having various unit delay time
Inventor: CHO GEUN HUI
IPC: H03L7/081
Filed: 2002-12-10
Abstract: PURPOSE: A delay time compensation circuit comprising delay devices having different unit delay time is provided to reduce the number of delay devices as assuring an operation area of the delay time compensation circuit. CONSTITUTION: According to a delay locked loop making a phase of a feedback clock signal coincide with a phase of an external clock signal, a phase detector compares the phase of the external clock signal with the phase of the feedback clock signal and then outputs their difference as an error control signal. A delay line comprises a plurality of delay devices(410,420,430,440,450,460) having different unit delay time and generates an output clock signal where the phase of the external clock signal is controlled by receiving the external clock signal, and the number of the delay devices is controlled in response to a shift signal. And a filter generates the shift signal selecting the number of the delay devices of the delay line in response to the error control signal.
Patent KR-20040051651-A (KR)
Title: Terminal for portable image information
Inventor: JI SEOK MAN
IPC: H04N7/14
Filed: 2002-12-11
Abstract: PURPOSE: A portable video information terminal is provided so that a user and an object look at each other and execute a video communication by allocating a camera in an LCD(Liquid Crystal Display) of the portable video information terminal. CONSTITUTION: A pin hole is formed in the central portion of an LCD(23). A camera(21) is inserted into the pin hole so that it is possible for a user to see an image displayed on the LCD(23) and gaze on a lens of the camera(21). The camera(21) inserted into the pin hole of the LCD(23) is allocated to have a plane same with the plane of the LCD(23). A compensation lens is allocated to have a plane same with the plane of the LCD(23) for broadening a photographing angle of the camera(21).
Patent KR-20040051735-A (KR)
Inventor: SHIM JAE YEOL
IPC: A23L11/00
Filed: 2002-12-11
Abstract: PURPOSE: Fermented bean-curd and a method for preparing the same are provided, thereby fusing the taste and flavor of bean-curd with those of fermented soybeans(Cheongkukjang), so that the fermented bean-curd has soft texture taste and the taste and flavor of fermented soybeans(Cheongkukjang), and increasing the storage period of the fermented bean-curd. CONSTITUTION: The method for preparing the fermented bean-curd comprises the steps of: reducing the water content of uncurdled bean curd to 50 to 60%; inoculating 0.001 wt.% of Bacillus subtilis into the uncurdled bean curd; fermenting and maturing the uncurdled bean curd at 40 to 42 deg. C and humidity of 50 to 70% for 48 to 72 hours; and heating the fermented uncurdled bean curd at 85 to 95 deg. C for 10 to 20 minutes when half of the uncurdled bean curd is remained and cooling it, wherein the cooled uncurdled bean curd is further treated with dehydration and heat treatment to be soft or hard type bean curd, or powdered bean curd.
Patent KR-20040051752-A (KR)
Title: Head mounted display
Inventor: TOMONO TAKAO
IPC: G02B27/02
Filed: 2002-12-11
Abstract: PURPOSE: A head mounted display device is provided to realizes a compact size and a miniaturization by reducing the distance between the eyes and the prism. CONSTITUTION: A head mounted display device includes an image forming unit(10), a prism(20) and a Fresnel lens(30). The image forming unit(10) generates and illuminates the image. The prism(20) displaced facing to the image forming unit(10) guides the traveling path of the image inputted thereto. And, the Fresnel lens(30) facing to the portion of the prism(20) condenses the image inputted thereto.
Patent KR-20040051032-A (KR)
Title: Process for preparing dimethyl ether from crude methanol
Inventor: JUN GI WON
IPC: C07C43/04
Filed: 2002-12-11
Abstract: PURPOSE: A method for preparing dimethyl ether from unrefined methanol is provided, to obtain dimethyl ether with a high yield without generation of hydrocarbon by-products. CONSTITUTION: The method comprises the step dehydrating the unrefined methanol containing moisture in the presence of a catalyst represented by HxM(1-x)/nZ whose some protons of hydrophobic zeolite are substituted, wherein H is a proton (H+); M is at least one cation selected from the group consisting of a metal ion of groups 1A, 2A, 1B and 2B and an ammonium ion; n represents the oxidation number of a substituted cation M; x is 10-90 mol%; and Z is hydrophobic zeolite with a SiO2/Al2O3 ratio of 20-200. Preferably the dehydration is carried out at a temperature of 150-350 deg.C, a pressure of 1-100 atm and a liquid hourly space velocity (LHSV) of 0.05-50 per hour.
Patent KR-20040051168-A (KR)
Title: a streeing column of vehicles
Inventor: LEE DONG HAN
IPC: B62D1/18
Filed: 2002-12-12
Abstract: PURPOSE: A steering column of a vehicle is provided to apply the tilting and telescoping structure for adjusting the tilt angle and height of a steering wheel and to simplify the whole structure of the steering column, reduce weight, and cut down the cost by performing tilting and telescoping operations through a simple manual mechanical operation. CONSTITUTION: A steering column of a vehicle is composed of an upper mounting bracket(12) rotatively connected to a column tube(10) by a hinge shaft(11); a fixing gear(13) mounted to a circular arc unit(10a) formed at the lower side of the upper end of the column tube positioned in the upper mounting bracket; a movable gear(15) positioned under the fixing gear and movably installed about a pin(14) fixed to the upper mounting bracket; a slider(16) contacted to the lower side of the movable gear to slide back and forth at a guide side(12a) formed at the bottom side in the upper mounting bracket; and a tilting lever(18) integrated with the slider, elastically supported by a compression spring(17) fixed to an inner wall of the upper mounting bracket, and mounted with a knob(18a) extended out of the upper mounting bracket. When the tilting lever moves forward by the compression spring, the tilt angle of the upper mounting bracket for the column tube is fixed by moving upward the movable gear by the slider and engaging the movable gear to the fixing gear. When the tilting lever is pulled, the tilt angle of the upper mounting bracket for the column tube is adjusted by moving downward the movable gear by move-back of the slider and releasing the movable gear from the fixing gear.